Greenify - Greenify is a mobile app that gives you greater control over your Android device's power usage, allowing you to get a lot more mileage out of your battery life without having to constantly plug it back into a charger.
Power Battery - Power Battery, as the most professional battery saver app, could get up about 60% more battery life for Android phones or tablets.
Dr. Battery - Dr.
Accubattery - Monitor's battery capacity through the use of science
Avast Battery Saver - Avast Battery Saver is one of the best batteries saving application for the smartphone users designed by the Avast for its users.
GO Battery Pro - GO Battery Pro is one of the best batteries charging saving apps for smartphone users using which they can, in addition to monitoring the health status of the battery, can extend its life as well.